套袋微環(huán)境對蘋果果實Ca素的影響.pdf

1、譬邗707分類號：UDC萊陽農(nóng)學(xué)院碩士學(xué)位論文密級套袋微環(huán)境對蘋果果實Ca素的影響EffectsofBaggingMicro—enviromentonCalciumAbsorptioninDevelopingAppleFruit(MalusdomesticaBorkh)研究生姓名：王磊導(dǎo)師姓名：劉成連教授專業(yè)：果樹學(xué)研究方向：果樹營養(yǎng)代謝生理2005年5月國家自然科學(xué)基金資助項目(30370991)EffectsofBaggingMic

2、ro—environmentOilCalciumAbsorptioninDevelopingApplesFruit(MalusdomesticaBorkh)Abstract日豫changeofthemicro—enVirⅨmlentcaninfluencetheabsorptionofthefruitCaafterbagging。ThisresearchwhichregardsredFujiappleasexperimentalmate

3、rial，hasstudiedtheinfluenceonapplefruitCabydifferenttreatmentofbagesandfertilizer，themainexperimentalresetisaSfollows：1ApplefruitcanabsorbCa、MgandKduringitswholedevelopmentalperiod。TheabsorbitionofCaconcentrates40～90days

4、afterfullbloomonmainly，MgandKconcentrateonon40～120daysafterfullbloom；Inmatureperiod，theabsorbitionofCaandKhaveabacksetcurrentphenomenon，Mgabsorbingisamountandslowinthisperiod。2ThecontentofpeelCaofbaggedfruitisobviouslyre

5、duced，thepeelKandtheCa、Mg、KoffruitfleshandcornislowerthancontroltreatmentaPeelMgcontentofplasticbagisthehighest，andthepeelMgofpqperbagisthelowest。3ThecontroltreatmentshowsthehighestratioofCa／Mginpeelduringthewholedevelop

6、mentalpedodandinfleshduringmatureperiod，thepapertreatmentisthelowest。TheCa／MgandC“Kofwholefruitshowsthesanlelaw，since20daysafterfullbloom。4ThecalciumfertilizersprayingleafcanobviouslyincreasethecontentoffruitCaduringyoun

7、gfruitperiod；OrganicandmixedfertilizerhavenosignificanteffectontheabsorptionofCaduringyoungfruitstage，butpromotetheabsorptionofMgandK。5Duringthemiddleperiodoffiafitdevelopment，theCacontentofpeelwithleaffertilizeristhehig

8、hest，SOistheMgcontentofpeelwithorganicfertilizerandtheKcontentofpeel、ⅣitllmixedfertilizeraThefleshtreatedwitllCafertilizershowsthehighestCacontent，andtheMgandKcogentofthefleshtreatedwithorganicfertilizer，mixedfertilizera